Apparatus for constructing reenforced-concrete structures which contain imbedded means for circulating a heating or cooling medium



. v 4 L- MUSGRAVE E AL APPARATUS FOR GONSTRUCTING REENFORCED CONCRETE STRUCTURES WHICH CONTAIN IMBEDDED MEANS FOR QIHCULATING A HEATING 0R COOLING MEDIUM Filed Sept. 20, 1923 Patented Jan. 19, 19 26.

UNITED STATES,

PATENT OFFICE.

JOSEPH LESLIE MUSGRAVE AND RIGHABD GODFREY GBITTAJJL, OI LONDON,

ENGLAND.

AIPABATUS OOIFSTRUCTING REENFORGED-CONCBETE STRUCTURES WHICH 6011- v TAIN EMBEDDED MEAN S FOR CIBOULATING A HEATING OR COOLING- MEDIUM.

a Application filed September 20, 1928. Serial No. 883,862.

To all whom "it may concern:

Be it known that we, J osnrn LESLIE Mus- GRAVE and RICHARD Gonrnnv CRI'rrALL, subjects of the King of Great Britain, residing, respectively, at 43 Bloomsbury Square, London, WLC. 1, England, and at 43 Bloomsbury Square, London, W. C. 1, England, have invented new and useful improvements in apparatus for constructing reenforcedconcrete structures which contain imbedded means for circulating a heating or cooling medium, of which the following is a specification.

This invention refers to the heating and cooling of buildings, and has reference to buildmgs' in which the 'su orting columns, -walls, oors and ceilings Ei e formed of reenforced concrete.

Reenforced concrete columns, walls and the like are built in situ, this being accomplished by first constructing a shuttering or wooden structure or mould inside which the metal rods or other material used to reenforce the concrete are placed in position, after which the concrete mixture is poured or thrown in.

Now according to this invention we'place at suitable intervals a art in the interior of the shuttering eit er on one or more of its sides pipes through which the heating or cooling fluid circulates. ample in the ormation of a reenforced concrete column we may place pipes on all sides in the interior of the shuttering. These pipes which are connected or prepared to be connected to headers are held in os ition against the inner-surface of the shutter "ing by metal bands or ties the ends of which ro'ect through openings in the shuttermg to..which they are secured by wedges, keys or other means.

After the mould or shuttering has been filled and the concrete has set the wedges or keys which secure the clips to the shuttering are driven out and, the shuttering removed leaving the outer surface of the pipes and the projecting ends of the clips exposed. When these projecting ends of the clips have been sawn off close to the sur-' face such surface is covered with plasteror other suitable material in the usual manner.

To further secure the pipes in position in v the concrete clips or fasteners may beat- As for ex-' face of which the heat or cold radiates.

tached to or slipped over the pipes before the shuttering is filled with concrete .so that these become cast in position. j

The invention is illustrated on the accompanying drawing. v

Fig. 1 is a plan view showing a reenforced concrete column in the course of erection in situ according to this invention.

Fig. 2- is a broken plan view of Fig. 1 showing the shuttering removedafter the keys or wedges have been driven out.

Fig. 3 is anenlarged broken sectional plan of a portion of a wall or column-constructed according to this invention.

. A represents the shuttering or wooden structure or mould, B the metal reenforcing rods, D the pipes through which the heating or cooling fluid circulates, (Z the metal bands or ties which pass through holes in the shuttering to hold the pipes in position against its inner surface, d the wedges or keys by which the bands are secured to the shutteringl, and d the headers to d which the ends of the pipes are-connected.

At Fig. 1 we have shown how a reen 'forced concrete column, from the four surfaces of placed in position the fshuttering is filled with the concrete mixture. -When the concrete is set the wedges d are driven out and the shuttering removed, the outersurface of the pipes D and the projecting ends of the clips (I being\exposed, as clearly shown by Fig. 2. The projecting ends of the clips are now sawn off close to the surface of the column, such surface being then covered over preferably first with a material 03 which is more or less heat conducting and then with plaster d or tiles or other material, as shown by Fig. 3, from the sur- The heat conducting material and the plaster, when formin the finished surface, may be reenforced withfabric or other material.

Q l i 7 1,570,448

What we claim as our invention and desire to secure by Letters Patent is 1. The combination with a mold for defining the surface of a concrete building structure, of pipes to be used for the flow of a heating or cooling fluid therein in the completed building, for heating or cooling the interior of the building, and bearing against the inner surface of the mold so as to be imbedded in the concrete and leave said pipes exposed at the surface of the concrete when the concrete has set and the mold is removed, and means securing said pipes and mold together and supporting the pipes in place from the mold and capable of releasing the mold from the pipes when the concrete has set.

2. The combination with a mold for defining the surface of a concrete building structure, of pipes to be used for the flow of a heating or cooling fluid therein in the completed building, for heating or cooling the interior of the buildin and bearing against the inner surface of t e mold so as to be imbedded in the concrete and leave said pipes exposed at the surface of the concrete when the concrete has set and the mold is removed, and clips engaging around said pipes and outwardly through the mold and clamping the pipes and mold together so as to support the pipes in place from the mold and adapted to release the mold from the pipes when the concrete has set.

In testimony whereof-We have signed our names to this specification.

JOSEPH LESLIE MUSGRAVE. RICHARD GODFREY CRITTALL. 

